Improved method of unloading gbain



|. PALMER. Freight Car.

PatentedJune I8, 1867-.

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ISAAC H. PALMER, LODI, WISCONSIN.

Letters Patent No. 65,826, dated June 18, 1867. v

'IMPROVEDMETHOD or UNLOADINGGRAIN.

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TO ALL WHOM IT MAY CONCERN: I

Be it known that I, ISAAC H. PALMER, of Lodi, in the county of Columbia, 'and State ot wisconsin, have invented a new and useful Device for Unloading Grain; and I do hereby declare the following to be a full and exact description of the same, reference being had to the aecompanying drawings, which are made part of this specification, and in which- 7 I v Figure 1 is a longitudinal horizontal section in the line 3 y, fig. 2. p I

Figure 2 is a transverse vertical section in the line 1 iv, fig l, showing the arrangement of the slidewalvc.

Figure 3 is a transverse horizontal section in the line 2 z, fig. 1, showing the arrangement of the pivoted valve.

Similar letters indicate corresponding parts in the several figures. i

I This invention consists of sliding or pivoted valves in the floor of a freightcar, for the purpose of effecting the unloading of grain'or other material that will run through orifices, in a cheap, easy, and expeditious manner.

To enable others skilled in the art to which my invention appertains to fully understand and use the same, I will proceed to describe it in detail.

A represents thc sides and ends of an ordinary freight car; 0 represents a doorway, and B a door in the sides of the same. a represents boards or planks placed across the doorways to confine the grain while the doors are removed for the purpose of admitting the load and of discharging it. b b c represent valves in the floor of the car, the two former being slide-valves with one or more apertures, (Z, and the latter being a pivoted valve, its axis running crosswise of the car. In the floor, under. the slides 15, are apertures, as shown in fig. 2, so placed that when the slides are wholly within the car said apertures in the floor are covered, but may be made to correspond with those in the slides by drawing the latter ou'ta certain distance. The valve c covers an aperture of nearly equal size with itself, which is opened by turning the valve on its axis. D represents a shaft placed in suitable hearings in one side of the car bottom. The shaft at one extremity, at the end of the car, is provided with a crank, it. e represents racks projecting from the ends of the valves 6, and gearing with pinions t on the shaft D. When it is desired to draw out the valves I: for the discharge of the load, it is only necessary to rotate the shaft D, by means of the crank it, a suitable distance. The valve 0 is also provided with a crank, k, for a similar purpose. Zrepresents a hopper extending lengthwise under the car floor far enough to receive all the grain that may pass through the valves. Tubes are to be attached to the under side of said hopper, t conduct the grain to the desired point. The valves 6 b c may be made of iron orwood, or both combined. The hopper may eonsistiof' iron, wood, leather, g uttapercha, or other suitablematerial.

Having thus fully described my invention, whatI claim as new, and desire to secure by Letters Patent, is

, 1. Valves in the floors of cars, carriages, etc., for drawing off grain or other material, without handling the same, substantially as described.

2. The slide-valves b, in combination with the racks c, pinions i, and shaft D, substantially as described.

- 3. The pivoted valve 0, in combination with crank i, substantially as described. x ISAAC H. PALMER.

Witnesses:

$01.01: G. KEMON, CHAS. A. Pnrrrr. 

